package net.sourceforge.phpdt.internal.compiler.ast;
-import net.sourceforge.phpdt.internal.compiler.ast.declarations.VariableUsage;
-
import java.util.List;
import java.util.ArrayList;
* @return the variables modified
*/
public List getModifiedVariable() {
+ if (expression == null) {
+ return new ArrayList();
+ }
return expression.getModifiedVariable();
}
* @return the variables used
*/
public List getUsedVariable() {
+ if (expression == null) {
+ return new ArrayList();
+ }
return expression.getUsedVariable();
}
}